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Silver (Ag) Evaporation Material, Wire, 99.999%, Dia. 1.0 mm
Product Type: Pure Metal Evaporation Material
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For material selection, deposition-source matching, pack-size confirmation or quotation support, contact our technical sales team.
INQUIRY: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Silver wire is a high-purity metal that requires controlled storage to prevent surface tarnishing and contamination. Handling must avoid introducing impurities that could compromise thin-film deposition quality.
- Storage Atmosphere: Store the silver wire in a dry, inert atmosphere to minimize surface oxidation and tarnishing.
- Contamination Control: Handle the wire with clean gloves or tweezers to prevent contamination from skin oils or particulates.
- Source Compatibility: Use only with W, Mo, or Ta filament, basket, coil, or boat sources to avoid alloying or contamination during evaporation.
This procedure covers the safe loading and thermal evaporation of silver wire in a vacuum deposition system. Proper source preparation and handling are critical to achieve uniform films and avoid source damage.
Required Equipment: Vacuum deposition system with thermal evaporation source, W, Mo, or Ta filament, basket, coil, or boat, Clean tweezers or gloves
- Inspect the wire
Inspect the silver wire for any visible oxidation, kinks, or contamination before loading. - Load the source
Load the wire into the W, Mo, or Ta filament, basket, coil, or boat, ensuring even contact and no loose ends. - Set the chamber vacuum
Set the deposition chamber to the recommended base pressure for thermal evaporation, typically below 1e-5 Torr. - Pre-melt the charge
Pre-melt the silver wire slowly to outgas and form a stable melt pool, avoiding sudden power spikes. - Adjust the deposition rate
Adjust the source power to achieve the desired deposition rate, monitoring with a quartz crystal microbalance. - Monitor the film thickness
Monitor the film thickness and rate to ensure uniform deposition across the substrate. - Cool the source
Cool the source completely before venting the chamber to prevent oxidation of the remaining silver.
What is the significance of the Z-Ratio of 0.529 for this 99.999% silver evaporation wire in process control?
The Z-Ratio of 0.529 is a critical parameter for quartz crystal microbalance (QCM) monitoring during thermal evaporation. It directly affects the accuracy of deposition rate and film thickness measurement by correcting the acoustic impedance mismatch between the crystal and silver. The specified value enables precise process control when using this wire with thermal/resistive evaporation sources.
Which evaporation source types are compatible with the 1.0 mm diameter silver wire for thermal evaporation?
This 1.0 mm diameter silver wire is designed for thermal/resistive evaporation using W, Mo, or Ta filament, basket, coil, or boat sources. The wire diameter of 1.0 mm ensures consistent feeding and uniform melt across these source geometries, as specified in the product's technical parameters.
What is the melting point of this silver evaporation material and how does it influence deposition parameters?
The melting point of this 99.999% pure silver wire is 962°C, as stated in the technical specifications. This relatively low melting point allows efficient thermal evaporation at reduced power levels compared to high-melting-point metals, enabling lower evaporation rates and finer control over film thickness in vacuum deposition processes.
Technical evaluation of Atomfair Silver (Ag) evaporation material wire (99.999%, 1.0 mm dia.) for thermal/resistive evaporation. High purity and defined wire form enable consistent film deposition, but the high melting point and Z-ratio require careful source matching and thickness monitoring calibration.
Positive
- High purity 99.999%: 5N purity minimizes metallic contamination in evaporated thin films, critical for reproducible optical and electronic properties in research applications.
- Wire form with defined diameter: Wire diameter of 1.0 mm ensures consistent loading into evaporation sources and predictable melt characteristics, aiding rate control and uniformity.
Trade-offs
- High melting point requires robust source: Melting point of 962°C demands compatible high-temperature evaporation sources (W/Mo/Ta filaments, baskets, or boats) and sufficient power supply, increasing system complexity.
- Z-ratio calibration needed for thickness monitoring: Z-ratio of 0.529 deviates from unity, requiring calibration of quartz crystal microbalance sensors to ensure accurate film thickness control during deposition.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
